Comnet FDC80NLR485 8 Channel Contact Closure Receiver (RS485), Non-Latching

The FDC80NLR485 from Comnet is an 8 Channel Contact Closure Receiver (RS485), Non-Latching. The ComNet™ FDC80 Series contact closure transmitter and receiver units provide transmission of up to eight independent supervised or unsupervised dry switch or relay contact closures over a single optical fiber, or any two-wire RS-485 copper circuit. Microprocessor-based logic ensures robust transmission with minimal error, and the supervisory function detects circuit conditions, displayed through LED indicators for user convenience.

Comnet FDC80NLR485 Key Features

• Transmits: Up to eight independent supervised or unsupervised dry switch or relay contacts over a single optical fiber or 2-wire RS-485 copper circuit, providing versatile connectivity.
• Microprocessor-based Logic: Eliminates random contact closure states during link or power loss, ensuring reliable operation.
• Environmental Compliance: Tested and certified for NEMA TS-1/TS-2 and Caltrans specifications, ensuring durability in various conditions.
• Indicating LEDs: Provides real-time monitoring of power, contact status, and summary faults for user-friendly diagnostics.
• Current Limiters: Features automatic resettable solid-state current limiters for added safety and reliability.
• Hot-swappable Modules: Enables easy maintenance and upgrades without disrupting system operation.
• Interchangeable Use: Can be used in both stand-alone and rack mount configurations, offering flexibility to users.

Comnet FDC80NLR485 Detailed Specifications